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HL Problem of the Day

Click here to go to the list of HL ProblemsHL Problem of the Day #205The problems below are all original - in that I wrote them mysellf. Some of them are modelled after questions I"ve found in various sources. Although many of them are "exam-like", none of them are a past IB exam question. Each problem is offered as a 2-page PDF file with the problem on the first page and a worked solution (often including explanatory...

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